/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix035_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 20:12:17,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 20:12:17,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 20:12:17,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 20:12:17,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 20:12:17,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 20:12:17,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 20:12:17,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 20:12:17,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 20:12:17,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 20:12:17,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 20:12:17,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 20:12:17,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 20:12:17,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 20:12:17,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 20:12:17,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 20:12:17,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 20:12:17,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 20:12:17,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 20:12:17,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 20:12:17,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 20:12:17,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 20:12:17,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 20:12:17,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 20:12:17,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 20:12:17,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 20:12:17,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 20:12:17,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 20:12:17,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 20:12:17,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 20:12:17,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 20:12:17,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 20:12:17,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 20:12:17,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 20:12:17,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 20:12:17,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 20:12:17,937 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 20:12:17,991 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 20:12:17,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 20:12:17,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 20:12:17,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 20:12:17,996 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 20:12:17,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 20:12:17,997 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 20:12:17,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 20:12:17,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 20:12:17,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 20:12:17,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 20:12:17,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 20:12:17,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 20:12:17,999 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 20:12:18,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 20:12:18,000 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 20:12:18,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 20:12:18,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 20:12:18,001 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 20:12:18,001 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 20:12:18,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 20:12:18,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 20:12:18,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 20:12:18,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 20:12:18,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 20:12:18,003 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 20:12:18,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 20:12:18,003 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 20:12:18,003 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 20:12:18,003 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 20:12:18,004 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 20:12:18,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 20:12:18,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 20:12:18,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 20:12:18,508 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 20:12:18,509 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 20:12:18,510 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix035_rmo.opt.i [2021-04-28 20:12:18,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d1a68fc7/403001d03d5a4e26b9a194715b0af0c3/FLAGa8aa262d2 [2021-04-28 20:12:19,362 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 20:12:19,363 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix035_rmo.opt.i [2021-04-28 20:12:19,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d1a68fc7/403001d03d5a4e26b9a194715b0af0c3/FLAGa8aa262d2 [2021-04-28 20:12:19,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d1a68fc7/403001d03d5a4e26b9a194715b0af0c3 [2021-04-28 20:12:19,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 20:12:19,709 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 20:12:19,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 20:12:19,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 20:12:19,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 20:12:19,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:12:19" (1/1) ... [2021-04-28 20:12:19,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64ce4e2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:19, skipping insertion in model container [2021-04-28 20:12:19,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:12:19" (1/1) ... [2021-04-28 20:12:19,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 20:12:19,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 20:12:19,951 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix035_rmo.opt.i[991,1004] [2021-04-28 20:12:20,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:12:20,293 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 20:12:20,309 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix035_rmo.opt.i[991,1004] [2021-04-28 20:12:20,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:12:20,535 INFO L208 MainTranslator]: Completed translation [2021-04-28 20:12:20,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:20 WrapperNode [2021-04-28 20:12:20,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 20:12:20,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 20:12:20,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 20:12:20,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 20:12:20,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:20" (1/1) ... [2021-04-28 20:12:20,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:20" (1/1) ... [2021-04-28 20:12:20,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 20:12:20,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 20:12:20,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 20:12:20,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 20:12:20,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:20" (1/1) ... [2021-04-28 20:12:20,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:20" (1/1) ... [2021-04-28 20:12:20,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:20" (1/1) ... [2021-04-28 20:12:20,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:20" (1/1) ... [2021-04-28 20:12:20,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:20" (1/1) ... [2021-04-28 20:12:20,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:20" (1/1) ... [2021-04-28 20:12:20,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:20" (1/1) ... [2021-04-28 20:12:20,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 20:12:20,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 20:12:20,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 20:12:20,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 20:12:20,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 20:12:20,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 20:12:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 20:12:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 20:12:20,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 20:12:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 20:12:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 20:12:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 20:12:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 20:12:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 20:12:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 20:12:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 20:12:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 20:12:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 20:12:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 20:12:20,778 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 20:12:22,746 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 20:12:22,747 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 20:12:22,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:12:22 BoogieIcfgContainer [2021-04-28 20:12:22,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 20:12:22,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 20:12:22,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 20:12:22,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 20:12:22,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 08:12:19" (1/3) ... [2021-04-28 20:12:22,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8745bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:12:22, skipping insertion in model container [2021-04-28 20:12:22,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:12:20" (2/3) ... [2021-04-28 20:12:22,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8745bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:12:22, skipping insertion in model container [2021-04-28 20:12:22,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:12:22" (3/3) ... [2021-04-28 20:12:22,759 INFO L111 eAbstractionObserver]: Analyzing ICFG mix035_rmo.opt.i [2021-04-28 20:12:22,767 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 20:12:22,772 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 20:12:22,773 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 20:12:22,811 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,811 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,811 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,812 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,812 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,812 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,812 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,812 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,813 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,813 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,813 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,813 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,813 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,814 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,814 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,814 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,814 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,814 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,814 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,815 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,815 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,815 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,815 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,815 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,815 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,818 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,819 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,819 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,819 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,829 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,830 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,830 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,831 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,831 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,831 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,831 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,832 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,832 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,832 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,833 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,833 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,834 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,835 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,835 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,835 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,836 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,836 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,836 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,836 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,837 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,837 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,837 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,837 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,838 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,838 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,838 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,839 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,839 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,845 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,846 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,846 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,846 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,846 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,846 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,846 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,847 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,847 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,848 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,850 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,850 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,850 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,852 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,852 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,852 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,853 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,853 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,853 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,853 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,853 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,853 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,854 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,854 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,854 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,856 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,856 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,857 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,857 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,857 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,857 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,857 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:12:22,859 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 20:12:22,883 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 20:12:22,910 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 20:12:22,910 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 20:12:22,910 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 20:12:22,910 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 20:12:22,911 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 20:12:22,911 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 20:12:22,911 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 20:12:22,911 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 20:12:22,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 110 places, 102 transitions, 219 flow [2021-04-28 20:12:22,974 INFO L129 PetriNetUnfolder]: 2/99 cut-off events. [2021-04-28 20:12:22,974 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:12:22,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 2/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 71 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-04-28 20:12:22,980 INFO L82 GeneralOperation]: Start removeDead. Operand has 110 places, 102 transitions, 219 flow [2021-04-28 20:12:22,986 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 99 transitions, 207 flow [2021-04-28 20:12:22,988 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:12:23,004 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 99 transitions, 207 flow [2021-04-28 20:12:23,009 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 99 transitions, 207 flow [2021-04-28 20:12:23,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 207 flow [2021-04-28 20:12:23,037 INFO L129 PetriNetUnfolder]: 2/99 cut-off events. [2021-04-28 20:12:23,037 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:12:23,038 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 99 events. 2/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-04-28 20:12:23,042 INFO L146 LiptonReduction]: Number of co-enabled transitions 1750 [2021-04-28 20:12:25,440 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 20:12:26,029 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 20:12:26,206 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 20:12:27,412 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 20:12:27,688 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 20:12:27,867 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 20:12:35,547 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 20:12:35,655 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 20:12:35,758 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 20:12:38,486 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:12:38,594 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:12:38,713 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:12:38,830 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:12:42,246 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:12:44,170 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:12:44,496 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:12:44,973 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:12:45,125 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:12:45,259 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:12:45,393 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:12:45,516 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:12:45,643 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:12:45,772 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:12:45,898 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:12:46,004 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:12:46,309 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:12:46,470 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:12:46,635 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:12:46,810 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:12:46,968 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:12:47,125 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:12:47,274 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:12:47,431 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:12:47,591 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:12:47,738 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:12:47,885 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:12:48,036 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:12:48,180 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:12:48,297 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:12:48,412 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:12:48,533 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:12:48,659 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:12:48,804 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:12:48,946 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:12:49,113 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:12:49,261 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:12:49,375 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:12:49,488 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:12:49,596 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:12:49,804 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:12:49,918 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:12:50,035 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:12:50,148 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:12:50,279 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:12:50,412 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:12:50,541 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:12:50,673 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:12:50,836 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:12:50,997 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:12:51,155 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:12:51,309 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:12:51,462 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:12:51,595 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:12:51,726 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:12:51,860 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 20:12:51,985 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:12:52,101 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:12:52,217 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:12:52,332 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:12:52,733 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 20:12:52,923 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-28 20:12:53,325 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 20:12:53,513 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-28 20:12:53,660 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:12:53,822 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:12:53,975 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:12:54,129 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:12:54,283 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:12:54,437 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:12:54,592 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:12:54,748 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:12:55,134 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 20:12:55,323 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 20:12:55,717 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 20:12:55,900 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 20:12:56,011 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:12:56,355 INFO L158 LiptonReduction]: Checked pairs total: 16010 [2021-04-28 20:12:56,356 INFO L160 LiptonReduction]: Total number of compositions: 259 [2021-04-28 20:12:56,361 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33375 [2021-04-28 20:12:56,384 INFO L129 PetriNetUnfolder]: 0/64 cut-off events. [2021-04-28 20:12:56,384 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:12:56,384 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:12:56,385 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-28 20:12:56,386 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:12:56,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:12:56,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1100023201, now seen corresponding path program 1 times [2021-04-28 20:12:56,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:12:56,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175147863] [2021-04-28 20:12:56,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:12:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:12:56,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:12:56,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:12:56,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:12:56,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175147863] [2021-04-28 20:12:56,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:12:56,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:12:56,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281238280] [2021-04-28 20:12:56,775 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:12:56,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:12:56,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:12:56,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:12:56,805 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 361 [2021-04-28 20:12:56,813 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 126 transitions, 261 flow. Second operand has 3 states, 3 states have (on average 286.6666666666667) internal successors, (860), 3 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:12:56,814 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:12:56,814 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 361 [2021-04-28 20:12:56,815 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:12:56,985 INFO L129 PetriNetUnfolder]: 29/389 cut-off events. [2021-04-28 20:12:56,985 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:12:56,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 389 events. 29/389 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3008 event pairs, 15 based on Foata normal form. 23/101 useless extension candidates. Maximal degree in co-relation 392. Up to 41 conditions per place. [2021-04-28 20:12:56,991 INFO L132 encePairwiseOnDemand]: 343/361 looper letters, 7 selfloop transitions, 2 changer transitions 53/125 dead transitions. [2021-04-28 20:12:56,991 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 125 transitions, 301 flow [2021-04-28 20:12:56,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:12:56,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:12:57,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 886 transitions. [2021-04-28 20:12:57,012 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8180978762696214 [2021-04-28 20:12:57,013 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 886 transitions. [2021-04-28 20:12:57,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 886 transitions. [2021-04-28 20:12:57,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:12:57,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 886 transitions. [2021-04-28 20:12:57,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 295.3333333333333) internal successors, (886), 3 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:12:57,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 361.0) internal successors, (1444), 4 states have internal predecessors, (1444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:12:57,039 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 361.0) internal successors, (1444), 4 states have internal predecessors, (1444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:12:57,041 INFO L185 Difference]: Start difference. First operand has 135 places, 126 transitions, 261 flow. Second operand 3 states and 886 transitions. [2021-04-28 20:12:57,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 125 transitions, 301 flow [2021-04-28 20:12:57,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 125 transitions, 298 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 20:12:57,049 INFO L241 Difference]: Finished difference. Result has 131 places, 69 transitions, 148 flow [2021-04-28 20:12:57,052 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=361, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=131, PETRI_TRANSITIONS=69} [2021-04-28 20:12:57,053 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -4 predicate places. [2021-04-28 20:12:57,053 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:12:57,053 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 131 places, 69 transitions, 148 flow [2021-04-28 20:12:57,054 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 131 places, 69 transitions, 148 flow [2021-04-28 20:12:57,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 69 transitions, 148 flow [2021-04-28 20:12:57,064 INFO L129 PetriNetUnfolder]: 0/69 cut-off events. [2021-04-28 20:12:57,064 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:12:57,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 69 events. 0/69 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 332 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 20:12:57,067 INFO L146 LiptonReduction]: Number of co-enabled transitions 2220 [2021-04-28 20:12:57,317 INFO L158 LiptonReduction]: Checked pairs total: 2714 [2021-04-28 20:12:57,318 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:12:57,318 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 265 [2021-04-28 20:12:57,323 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 69 transitions, 148 flow [2021-04-28 20:12:57,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 286.6666666666667) internal successors, (860), 3 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:12:57,325 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:12:57,325 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:12:57,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 20:12:57,326 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:12:57,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:12:57,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1670024836, now seen corresponding path program 1 times [2021-04-28 20:12:57,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:12:57,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178284059] [2021-04-28 20:12:57,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:12:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:12:57,463 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 20:12:57,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 20:12:57,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:12:57,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178284059] [2021-04-28 20:12:57,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:12:57,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:12:57,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282417927] [2021-04-28 20:12:57,476 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:12:57,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:12:57,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:12:57,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:12:57,487 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 361 [2021-04-28 20:12:57,489 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 69 transitions, 148 flow. Second operand has 3 states, 3 states have (on average 227.66666666666666) internal successors, (683), 3 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:12:57,489 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:12:57,489 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 361 [2021-04-28 20:12:57,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:12:57,875 INFO L129 PetriNetUnfolder]: 546/1629 cut-off events. [2021-04-28 20:12:57,876 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:12:57,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2604 conditions, 1629 events. 546/1629 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 309. Compared 15727 event pairs, 179 based on Foata normal form. 0/1011 useless extension candidates. Maximal degree in co-relation 2595. Up to 822 conditions per place. [2021-04-28 20:12:57,884 INFO L132 encePairwiseOnDemand]: 342/361 looper letters, 5 selfloop transitions, 4 changer transitions 45/94 dead transitions. [2021-04-28 20:12:57,884 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 94 transitions, 306 flow [2021-04-28 20:12:57,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:12:57,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:12:57,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 734 transitions. [2021-04-28 20:12:57,888 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6777469990766389 [2021-04-28 20:12:57,888 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 734 transitions. [2021-04-28 20:12:57,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 734 transitions. [2021-04-28 20:12:57,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:12:57,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 734 transitions. [2021-04-28 20:12:57,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 244.66666666666666) internal successors, (734), 3 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:12:57,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 361.0) internal successors, (1444), 4 states have internal predecessors, (1444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:12:57,895 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 361.0) internal successors, (1444), 4 states have internal predecessors, (1444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:12:57,896 INFO L185 Difference]: Start difference. First operand has 78 places, 69 transitions, 148 flow. Second operand 3 states and 734 transitions. [2021-04-28 20:12:57,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 94 transitions, 306 flow [2021-04-28 20:12:57,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 94 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:12:57,899 INFO L241 Difference]: Finished difference. Result has 79 places, 49 transitions, 126 flow [2021-04-28 20:12:57,899 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=361, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=126, PETRI_PLACES=79, PETRI_TRANSITIONS=49} [2021-04-28 20:12:57,900 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -56 predicate places. [2021-04-28 20:12:57,900 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:12:57,900 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 49 transitions, 126 flow [2021-04-28 20:12:57,901 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 49 transitions, 126 flow [2021-04-28 20:12:57,901 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 49 transitions, 126 flow [2021-04-28 20:12:57,921 INFO L129 PetriNetUnfolder]: 26/129 cut-off events. [2021-04-28 20:12:57,921 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:12:57,922 INFO L84 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 129 events. 26/129 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 592 event pairs, 12 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 182. Up to 49 conditions per place. [2021-04-28 20:12:57,925 INFO L146 LiptonReduction]: Number of co-enabled transitions 1276 [2021-04-28 20:12:58,021 INFO L158 LiptonReduction]: Checked pairs total: 670 [2021-04-28 20:12:58,021 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:12:58,021 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 121 [2021-04-28 20:12:58,023 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 49 transitions, 126 flow [2021-04-28 20:12:58,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 227.66666666666666) internal successors, (683), 3 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:12:58,024 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:12:58,024 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:12:58,024 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 20:12:58,025 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:12:58,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:12:58,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1423991176, now seen corresponding path program 1 times [2021-04-28 20:12:58,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:12:58,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938518469] [2021-04-28 20:12:58,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:12:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:12:58,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:12:58,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:12:58,128 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 20:12:58,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 20:12:58,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:12:58,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938518469] [2021-04-28 20:12:58,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:12:58,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 20:12:58,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116271132] [2021-04-28 20:12:58,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:12:58,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:12:58,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:12:58,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:12:58,146 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 361 [2021-04-28 20:12:58,147 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 49 transitions, 126 flow. Second operand has 4 states, 4 states have (on average 227.75) internal successors, (911), 4 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:12:58,148 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:12:58,148 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 361 [2021-04-28 20:12:58,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:12:58,187 INFO L129 PetriNetUnfolder]: 21/97 cut-off events. [2021-04-28 20:12:58,187 INFO L130 PetriNetUnfolder]: For 9/26 co-relation queries the response was YES. [2021-04-28 20:12:58,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 97 events. 21/97 cut-off events. For 9/26 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 413 event pairs, 4 based on Foata normal form. 1/64 useless extension candidates. Maximal degree in co-relation 182. Up to 41 conditions per place. [2021-04-28 20:12:58,189 INFO L132 encePairwiseOnDemand]: 358/361 looper letters, 8 selfloop transitions, 3 changer transitions 0/51 dead transitions. [2021-04-28 20:12:58,189 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 51 transitions, 156 flow [2021-04-28 20:12:58,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:12:58,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:12:58,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 690 transitions. [2021-04-28 20:12:58,192 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6371191135734072 [2021-04-28 20:12:58,192 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 690 transitions. [2021-04-28 20:12:58,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 690 transitions. [2021-04-28 20:12:58,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:12:58,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 690 transitions. [2021-04-28 20:12:58,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 230.0) internal successors, (690), 3 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:12:58,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 361.0) internal successors, (1444), 4 states have internal predecessors, (1444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:12:58,199 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 361.0) internal successors, (1444), 4 states have internal predecessors, (1444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:12:58,199 INFO L185 Difference]: Start difference. First operand has 56 places, 49 transitions, 126 flow. Second operand 3 states and 690 transitions. [2021-04-28 20:12:58,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 51 transitions, 156 flow [2021-04-28 20:12:58,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 51 transitions, 152 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 20:12:58,204 INFO L241 Difference]: Finished difference. Result has 58 places, 49 transitions, 133 flow [2021-04-28 20:12:58,205 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=361, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=133, PETRI_PLACES=58, PETRI_TRANSITIONS=49} [2021-04-28 20:12:58,205 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -77 predicate places. [2021-04-28 20:12:58,205 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:12:58,206 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 49 transitions, 133 flow [2021-04-28 20:12:58,207 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 49 transitions, 133 flow [2021-04-28 20:12:58,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 49 transitions, 133 flow [2021-04-28 20:12:58,229 INFO L129 PetriNetUnfolder]: 21/129 cut-off events. [2021-04-28 20:12:58,229 INFO L130 PetriNetUnfolder]: For 11/14 co-relation queries the response was YES. [2021-04-28 20:12:58,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 129 events. 21/129 cut-off events. For 11/14 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 610 event pairs, 11 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 187. Up to 41 conditions per place. [2021-04-28 20:12:58,232 INFO L146 LiptonReduction]: Number of co-enabled transitions 1268 [2021-04-28 20:12:58,237 INFO L158 LiptonReduction]: Checked pairs total: 668 [2021-04-28 20:12:58,238 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:12:58,238 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 33 [2021-04-28 20:12:58,240 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 49 transitions, 133 flow [2021-04-28 20:12:58,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 227.75) internal successors, (911), 4 states have internal predecessors, (911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:12:58,241 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:12:58,241 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:12:58,241 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 20:12:58,242 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:12:58,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:12:58,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1473806719, now seen corresponding path program 1 times [2021-04-28 20:12:58,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:12:58,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678440149] [2021-04-28 20:12:58,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:12:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:12:58,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:12:58,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:12:58,390 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:12:58,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:12:58,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:12:58,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:12:58,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:12:58,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678440149] [2021-04-28 20:12:58,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:12:58,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:12:58,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848840871] [2021-04-28 20:12:58,408 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:12:58,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:12:58,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:12:58,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:12:58,412 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 263 out of 361 [2021-04-28 20:12:58,413 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 49 transitions, 133 flow. Second operand has 4 states, 4 states have (on average 263.75) internal successors, (1055), 4 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:12:58,414 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:12:58,414 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 263 of 361 [2021-04-28 20:12:58,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:12:59,175 INFO L129 PetriNetUnfolder]: 3711/6304 cut-off events. [2021-04-28 20:12:59,175 INFO L130 PetriNetUnfolder]: For 112/121 co-relation queries the response was YES. [2021-04-28 20:12:59,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12699 conditions, 6304 events. 3711/6304 cut-off events. For 112/121 co-relation queries the response was YES. Maximal size of possible extension queue 1296. Compared 53697 event pairs, 1643 based on Foata normal form. 106/1743 useless extension candidates. Maximal degree in co-relation 12687. Up to 3838 conditions per place. [2021-04-28 20:12:59,232 INFO L132 encePairwiseOnDemand]: 342/361 looper letters, 31 selfloop transitions, 30 changer transitions 0/87 dead transitions. [2021-04-28 20:12:59,232 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 87 transitions, 331 flow [2021-04-28 20:12:59,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:12:59,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:12:59,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1373 transitions. [2021-04-28 20:12:59,239 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7606648199445983 [2021-04-28 20:12:59,239 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1373 transitions. [2021-04-28 20:12:59,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1373 transitions. [2021-04-28 20:12:59,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:12:59,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1373 transitions. [2021-04-28 20:12:59,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 274.6) internal successors, (1373), 5 states have internal predecessors, (1373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:12:59,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 361.0) internal successors, (2166), 6 states have internal predecessors, (2166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:12:59,254 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 361.0) internal successors, (2166), 6 states have internal predecessors, (2166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:12:59,255 INFO L185 Difference]: Start difference. First operand has 58 places, 49 transitions, 133 flow. Second operand 5 states and 1373 transitions. [2021-04-28 20:12:59,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 87 transitions, 331 flow [2021-04-28 20:12:59,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 87 transitions, 325 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:12:59,263 INFO L241 Difference]: Finished difference. Result has 63 places, 77 transitions, 352 flow [2021-04-28 20:12:59,264 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=361, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=352, PETRI_PLACES=63, PETRI_TRANSITIONS=77} [2021-04-28 20:12:59,264 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -72 predicate places. [2021-04-28 20:12:59,264 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:12:59,264 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 77 transitions, 352 flow [2021-04-28 20:12:59,265 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 77 transitions, 352 flow [2021-04-28 20:12:59,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 77 transitions, 352 flow [2021-04-28 20:12:59,831 INFO L129 PetriNetUnfolder]: 3324/5805 cut-off events. [2021-04-28 20:12:59,831 INFO L130 PetriNetUnfolder]: For 1399/8170 co-relation queries the response was YES. [2021-04-28 20:12:59,859 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16153 conditions, 5805 events. 3324/5805 cut-off events. For 1399/8170 co-relation queries the response was YES. Maximal size of possible extension queue 1394. Compared 53591 event pairs, 1532 based on Foata normal form. 3/1554 useless extension candidates. Maximal degree in co-relation 16140. Up to 5180 conditions per place. [2021-04-28 20:12:59,930 INFO L146 LiptonReduction]: Number of co-enabled transitions 1704 [2021-04-28 20:13:00,782 INFO L158 LiptonReduction]: Checked pairs total: 1307 [2021-04-28 20:13:00,783 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:13:00,783 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1519 [2021-04-28 20:13:00,786 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 77 transitions, 352 flow [2021-04-28 20:13:00,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 263.75) internal successors, (1055), 4 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:00,788 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:13:00,788 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:13:00,788 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 20:13:00,788 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:13:00,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:13:00,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1618916520, now seen corresponding path program 1 times [2021-04-28 20:13:00,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:13:00,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165180798] [2021-04-28 20:13:00,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:13:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:13:00,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:13:00,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:13:00,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:13:00,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:13:00,877 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:13:00,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:13:00,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:13:00,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:13:00,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:13:00,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165180798] [2021-04-28 20:13:00,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:13:00,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:13:00,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268276483] [2021-04-28 20:13:00,891 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:13:00,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:13:00,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:13:00,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:13:00,901 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 263 out of 361 [2021-04-28 20:13:00,904 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 77 transitions, 352 flow. Second operand has 5 states, 5 states have (on average 263.8) internal successors, (1319), 5 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:00,904 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:13:00,904 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 263 of 361 [2021-04-28 20:13:00,904 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:13:01,969 INFO L129 PetriNetUnfolder]: 3405/6637 cut-off events. [2021-04-28 20:13:01,970 INFO L130 PetriNetUnfolder]: For 2391/25551 co-relation queries the response was YES. [2021-04-28 20:13:02,004 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24979 conditions, 6637 events. 3405/6637 cut-off events. For 2391/25551 co-relation queries the response was YES. Maximal size of possible extension queue 1644. Compared 62500 event pairs, 317 based on Foata normal form. 150/2075 useless extension candidates. Maximal degree in co-relation 24964. Up to 5972 conditions per place. [2021-04-28 20:13:02,034 INFO L132 encePairwiseOnDemand]: 342/361 looper letters, 23 selfloop transitions, 58 changer transitions 9/116 dead transitions. [2021-04-28 20:13:02,034 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 116 transitions, 739 flow [2021-04-28 20:13:02,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 20:13:02,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 20:13:02,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1925 transitions. [2021-04-28 20:13:02,040 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7617728531855956 [2021-04-28 20:13:02,041 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1925 transitions. [2021-04-28 20:13:02,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1925 transitions. [2021-04-28 20:13:02,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:13:02,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1925 transitions. [2021-04-28 20:13:02,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 275.0) internal successors, (1925), 7 states have internal predecessors, (1925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:02,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 361.0) internal successors, (2888), 8 states have internal predecessors, (2888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:02,059 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 361.0) internal successors, (2888), 8 states have internal predecessors, (2888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:02,059 INFO L185 Difference]: Start difference. First operand has 63 places, 77 transitions, 352 flow. Second operand 7 states and 1925 transitions. [2021-04-28 20:13:02,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 116 transitions, 739 flow [2021-04-28 20:13:02,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 116 transitions, 739 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 20:13:02,108 INFO L241 Difference]: Finished difference. Result has 72 places, 105 transitions, 725 flow [2021-04-28 20:13:02,108 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=361, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=725, PETRI_PLACES=72, PETRI_TRANSITIONS=105} [2021-04-28 20:13:02,109 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -63 predicate places. [2021-04-28 20:13:02,109 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:13:02,109 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 105 transitions, 725 flow [2021-04-28 20:13:02,109 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 105 transitions, 725 flow [2021-04-28 20:13:02,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 105 transitions, 725 flow [2021-04-28 20:13:02,713 INFO L129 PetriNetUnfolder]: 2154/4795 cut-off events. [2021-04-28 20:13:02,713 INFO L130 PetriNetUnfolder]: For 24546/46152 co-relation queries the response was YES. [2021-04-28 20:13:02,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20289 conditions, 4795 events. 2154/4795 cut-off events. For 24546/46152 co-relation queries the response was YES. Maximal size of possible extension queue 1249. Compared 51563 event pairs, 326 based on Foata normal form. 1/1236 useless extension candidates. Maximal degree in co-relation 20271. Up to 4220 conditions per place. [2021-04-28 20:13:02,798 INFO L146 LiptonReduction]: Number of co-enabled transitions 2170 [2021-04-28 20:13:03,082 INFO L158 LiptonReduction]: Checked pairs total: 2525 [2021-04-28 20:13:03,082 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:13:03,082 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 973 [2021-04-28 20:13:03,084 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 105 transitions, 725 flow [2021-04-28 20:13:03,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 263.8) internal successors, (1319), 5 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:03,085 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:13:03,085 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:13:03,086 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 20:13:03,086 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:13:03,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:13:03,086 INFO L82 PathProgramCache]: Analyzing trace with hash 2010021185, now seen corresponding path program 1 times [2021-04-28 20:13:03,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:13:03,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412058118] [2021-04-28 20:13:03,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:13:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:13:03,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:13:03,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:13:03,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:13:03,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:13:03,158 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 20:13:03,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 20:13:03,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:13:03,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412058118] [2021-04-28 20:13:03,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:13:03,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:13:03,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431974297] [2021-04-28 20:13:03,169 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:13:03,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:13:03,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:13:03,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:13:03,172 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 361 [2021-04-28 20:13:03,173 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 105 transitions, 725 flow. Second operand has 4 states, 4 states have (on average 225.5) internal successors, (902), 4 states have internal predecessors, (902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:03,173 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:13:03,173 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 361 [2021-04-28 20:13:03,174 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:13:04,306 INFO L129 PetriNetUnfolder]: 4054/8833 cut-off events. [2021-04-28 20:13:04,307 INFO L130 PetriNetUnfolder]: For 34293/62508 co-relation queries the response was YES. [2021-04-28 20:13:04,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37588 conditions, 8833 events. 4054/8833 cut-off events. For 34293/62508 co-relation queries the response was YES. Maximal size of possible extension queue 2424. Compared 99369 event pairs, 595 based on Foata normal form. 53/2416 useless extension candidates. Maximal degree in co-relation 37568. Up to 7892 conditions per place. [2021-04-28 20:13:04,403 INFO L132 encePairwiseOnDemand]: 354/361 looper letters, 8 selfloop transitions, 11 changer transitions 0/114 dead transitions. [2021-04-28 20:13:04,404 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 114 transitions, 801 flow [2021-04-28 20:13:04,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:13:04,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:13:04,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1138 transitions. [2021-04-28 20:13:04,408 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6304709141274238 [2021-04-28 20:13:04,408 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1138 transitions. [2021-04-28 20:13:04,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1138 transitions. [2021-04-28 20:13:04,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:13:04,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1138 transitions. [2021-04-28 20:13:04,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 227.6) internal successors, (1138), 5 states have internal predecessors, (1138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:04,417 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 361.0) internal successors, (2166), 6 states have internal predecessors, (2166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:04,418 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 361.0) internal successors, (2166), 6 states have internal predecessors, (2166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:04,418 INFO L185 Difference]: Start difference. First operand has 72 places, 105 transitions, 725 flow. Second operand 5 states and 1138 transitions. [2021-04-28 20:13:04,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 114 transitions, 801 flow [2021-04-28 20:13:05,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 114 transitions, 660 flow, removed 45 selfloop flow, removed 3 redundant places. [2021-04-28 20:13:05,377 INFO L241 Difference]: Finished difference. Result has 75 places, 111 transitions, 651 flow [2021-04-28 20:13:05,377 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=361, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=651, PETRI_PLACES=75, PETRI_TRANSITIONS=111} [2021-04-28 20:13:05,377 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -60 predicate places. [2021-04-28 20:13:05,378 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:13:05,378 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 111 transitions, 651 flow [2021-04-28 20:13:05,378 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 111 transitions, 651 flow [2021-04-28 20:13:05,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 111 transitions, 651 flow [2021-04-28 20:13:06,257 INFO L129 PetriNetUnfolder]: 3877/8464 cut-off events. [2021-04-28 20:13:06,258 INFO L130 PetriNetUnfolder]: For 5508/5685 co-relation queries the response was YES. [2021-04-28 20:13:06,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28192 conditions, 8464 events. 3877/8464 cut-off events. For 5508/5685 co-relation queries the response was YES. Maximal size of possible extension queue 1992. Compared 96986 event pairs, 615 based on Foata normal form. 2/2270 useless extension candidates. Maximal degree in co-relation 28172. Up to 3565 conditions per place. [2021-04-28 20:13:06,376 INFO L146 LiptonReduction]: Number of co-enabled transitions 2580 [2021-04-28 20:13:08,199 INFO L158 LiptonReduction]: Checked pairs total: 2668 [2021-04-28 20:13:08,200 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:13:08,200 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2822 [2021-04-28 20:13:08,202 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 111 transitions, 651 flow [2021-04-28 20:13:08,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 225.5) internal successors, (902), 4 states have internal predecessors, (902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:08,202 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:13:08,203 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:13:08,203 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 20:13:08,203 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:13:08,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:13:08,204 INFO L82 PathProgramCache]: Analyzing trace with hash -2124435622, now seen corresponding path program 1 times [2021-04-28 20:13:08,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:13:08,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354298631] [2021-04-28 20:13:08,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:13:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:13:08,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:13:08,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:13:08,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:13:08,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:13:08,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:13:08,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:13:08,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:13:08,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354298631] [2021-04-28 20:13:08,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:13:08,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:13:08,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258211621] [2021-04-28 20:13:08,268 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:13:08,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:13:08,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:13:08,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:13:08,272 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 361 [2021-04-28 20:13:08,273 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 111 transitions, 651 flow. Second operand has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:08,273 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:13:08,274 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 361 [2021-04-28 20:13:08,274 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:13:09,384 INFO L129 PetriNetUnfolder]: 5569/11686 cut-off events. [2021-04-28 20:13:09,385 INFO L130 PetriNetUnfolder]: For 8146/8811 co-relation queries the response was YES. [2021-04-28 20:13:09,447 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39081 conditions, 11686 events. 5569/11686 cut-off events. For 8146/8811 co-relation queries the response was YES. Maximal size of possible extension queue 3102. Compared 133740 event pairs, 901 based on Foata normal form. 56/3222 useless extension candidates. Maximal degree in co-relation 39059. Up to 5099 conditions per place. [2021-04-28 20:13:09,478 INFO L132 encePairwiseOnDemand]: 358/361 looper letters, 4 selfloop transitions, 3 changer transitions 0/112 dead transitions. [2021-04-28 20:13:09,478 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 112 transitions, 673 flow [2021-04-28 20:13:09,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 20:13:09,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 20:13:09,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 971 transitions. [2021-04-28 20:13:09,482 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6724376731301939 [2021-04-28 20:13:09,482 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 971 transitions. [2021-04-28 20:13:09,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 971 transitions. [2021-04-28 20:13:09,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:13:09,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 971 transitions. [2021-04-28 20:13:09,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 242.75) internal successors, (971), 4 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:09,489 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 361.0) internal successors, (1805), 5 states have internal predecessors, (1805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:09,490 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 361.0) internal successors, (1805), 5 states have internal predecessors, (1805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:09,490 INFO L185 Difference]: Start difference. First operand has 75 places, 111 transitions, 651 flow. Second operand 4 states and 971 transitions. [2021-04-28 20:13:09,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 112 transitions, 673 flow [2021-04-28 20:13:10,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 112 transitions, 673 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 20:13:10,975 INFO L241 Difference]: Finished difference. Result has 79 places, 111 transitions, 660 flow [2021-04-28 20:13:10,975 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=361, PETRI_DIFFERENCE_MINUEND_FLOW=651, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=660, PETRI_PLACES=79, PETRI_TRANSITIONS=111} [2021-04-28 20:13:10,975 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -56 predicate places. [2021-04-28 20:13:10,975 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:13:10,976 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 111 transitions, 660 flow [2021-04-28 20:13:10,976 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 111 transitions, 660 flow [2021-04-28 20:13:10,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 111 transitions, 660 flow [2021-04-28 20:13:11,892 INFO L129 PetriNetUnfolder]: 5581/11748 cut-off events. [2021-04-28 20:13:11,892 INFO L130 PetriNetUnfolder]: For 7925/8131 co-relation queries the response was YES. [2021-04-28 20:13:11,920 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39318 conditions, 11748 events. 5581/11748 cut-off events. For 7925/8131 co-relation queries the response was YES. Maximal size of possible extension queue 2912. Compared 138119 event pairs, 917 based on Foata normal form. 2/3216 useless extension candidates. Maximal degree in co-relation 39296. Up to 5102 conditions per place. [2021-04-28 20:13:12,006 INFO L146 LiptonReduction]: Number of co-enabled transitions 2580 [2021-04-28 20:13:13,602 INFO L158 LiptonReduction]: Checked pairs total: 2668 [2021-04-28 20:13:13,603 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:13:13,603 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2628 [2021-04-28 20:13:13,604 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 111 transitions, 660 flow [2021-04-28 20:13:13,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:13,605 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:13:13,605 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:13:13,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 20:13:13,605 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:13:13,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:13:13,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1473371878, now seen corresponding path program 1 times [2021-04-28 20:13:13,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:13:13,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524331428] [2021-04-28 20:13:13,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:13:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:13:13,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:13:13,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:13:13,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:13:13,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:13:13,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:13:13,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:13:13,705 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 20:13:13,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 20:13:13,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:13:13,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:13:13,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:13:13,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524331428] [2021-04-28 20:13:13,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:13:13,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 20:13:13,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464503880] [2021-04-28 20:13:13,716 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 20:13:13,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:13:13,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 20:13:13,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 20:13:13,719 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 263 out of 361 [2021-04-28 20:13:13,721 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 111 transitions, 660 flow. Second operand has 6 states, 6 states have (on average 263.8333333333333) internal successors, (1583), 6 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:13,721 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:13:13,721 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 263 of 361 [2021-04-28 20:13:13,721 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:13:14,946 INFO L129 PetriNetUnfolder]: 4870/11611 cut-off events. [2021-04-28 20:13:14,946 INFO L130 PetriNetUnfolder]: For 9334/53920 co-relation queries the response was YES. [2021-04-28 20:13:14,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49244 conditions, 11611 events. 4870/11611 cut-off events. For 9334/53920 co-relation queries the response was YES. Maximal size of possible extension queue 3189. Compared 146033 event pairs, 1 based on Foata normal form. 327/3515 useless extension candidates. Maximal degree in co-relation 49220. Up to 6048 conditions per place. [2021-04-28 20:13:15,007 INFO L132 encePairwiseOnDemand]: 342/361 looper letters, 5 selfloop transitions, 70 changer transitions 38/133 dead transitions. [2021-04-28 20:13:15,007 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 133 transitions, 1001 flow [2021-04-28 20:13:15,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 20:13:15,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 20:13:15,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2459 transitions. [2021-04-28 20:13:15,016 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7568482610033856 [2021-04-28 20:13:15,016 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2459 transitions. [2021-04-28 20:13:15,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2459 transitions. [2021-04-28 20:13:15,019 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:13:15,019 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2459 transitions. [2021-04-28 20:13:15,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 273.22222222222223) internal successors, (2459), 9 states have internal predecessors, (2459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:15,035 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 361.0) internal successors, (3610), 10 states have internal predecessors, (3610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:15,037 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 361.0) internal successors, (3610), 10 states have internal predecessors, (3610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:15,037 INFO L185 Difference]: Start difference. First operand has 79 places, 111 transitions, 660 flow. Second operand 9 states and 2459 transitions. [2021-04-28 20:13:15,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 133 transitions, 1001 flow [2021-04-28 20:13:16,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 133 transitions, 991 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-04-28 20:13:16,844 INFO L241 Difference]: Finished difference. Result has 88 places, 93 transitions, 731 flow [2021-04-28 20:13:16,844 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=361, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=731, PETRI_PLACES=88, PETRI_TRANSITIONS=93} [2021-04-28 20:13:16,844 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -47 predicate places. [2021-04-28 20:13:16,844 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:13:16,845 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 93 transitions, 731 flow [2021-04-28 20:13:16,845 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 93 transitions, 731 flow [2021-04-28 20:13:16,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 93 transitions, 731 flow [2021-04-28 20:13:16,992 INFO L129 PetriNetUnfolder]: 530/2372 cut-off events. [2021-04-28 20:13:16,993 INFO L130 PetriNetUnfolder]: For 2964/6342 co-relation queries the response was YES. [2021-04-28 20:13:17,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10439 conditions, 2372 events. 530/2372 cut-off events. For 2964/6342 co-relation queries the response was YES. Maximal size of possible extension queue 899. Compared 31981 event pairs, 1 based on Foata normal form. 0/598 useless extension candidates. Maximal degree in co-relation 10414. Up to 1584 conditions per place. [2021-04-28 20:13:17,021 INFO L146 LiptonReduction]: Number of co-enabled transitions 1406 [2021-04-28 20:13:18,357 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-04-28 20:13:18,846 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-04-28 20:13:21,135 WARN L205 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 302 DAG size of output: 257 [2021-04-28 20:13:22,146 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 254 [2021-04-28 20:13:22,580 INFO L158 LiptonReduction]: Checked pairs total: 3427 [2021-04-28 20:13:22,581 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 20:13:22,581 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5737 [2021-04-28 20:13:22,582 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 93 transitions, 735 flow [2021-04-28 20:13:22,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 263.8333333333333) internal successors, (1583), 6 states have internal predecessors, (1583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:22,583 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:13:22,584 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:13:22,584 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 20:13:22,584 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:13:22,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:13:22,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1107533069, now seen corresponding path program 1 times [2021-04-28 20:13:22,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:13:22,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594153501] [2021-04-28 20:13:22,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:13:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:13:22,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:13:22,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:13:22,697 INFO L142 QuantifierPusher]: treesize reduction 4, result has 86.7 percent of original size [2021-04-28 20:13:22,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-28 20:13:22,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:13:22,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 20:13:22,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:13:22,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:13:22,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 20:13:22,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594153501] [2021-04-28 20:13:22,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:13:22,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:13:22,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753715069] [2021-04-28 20:13:22,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 20:13:22,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:13:22,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 20:13:22,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-04-28 20:13:22,745 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 362 [2021-04-28 20:13:22,747 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 93 transitions, 735 flow. Second operand has 6 states, 6 states have (on average 188.16666666666666) internal successors, (1129), 6 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:22,747 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:13:22,747 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 362 [2021-04-28 20:13:22,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:13:23,795 INFO L129 PetriNetUnfolder]: 1885/7628 cut-off events. [2021-04-28 20:13:23,796 INFO L130 PetriNetUnfolder]: For 10371/18355 co-relation queries the response was YES. [2021-04-28 20:13:23,838 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33946 conditions, 7628 events. 1885/7628 cut-off events. For 10371/18355 co-relation queries the response was YES. Maximal size of possible extension queue 2331. Compared 113807 event pairs, 4 based on Foata normal form. 52/2058 useless extension candidates. Maximal degree in co-relation 33919. Up to 5184 conditions per place. [2021-04-28 20:13:23,859 INFO L132 encePairwiseOnDemand]: 355/362 looper letters, 6 selfloop transitions, 7 changer transitions 3/102 dead transitions. [2021-04-28 20:13:23,859 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 102 transitions, 837 flow [2021-04-28 20:13:23,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 20:13:23,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 20:13:23,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1326 transitions. [2021-04-28 20:13:23,867 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5232833464877664 [2021-04-28 20:13:23,867 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1326 transitions. [2021-04-28 20:13:23,867 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1326 transitions. [2021-04-28 20:13:23,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:13:23,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1326 transitions. [2021-04-28 20:13:23,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 189.42857142857142) internal successors, (1326), 7 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:23,880 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 362.0) internal successors, (2896), 8 states have internal predecessors, (2896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:23,881 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 362.0) internal successors, (2896), 8 states have internal predecessors, (2896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:23,881 INFO L185 Difference]: Start difference. First operand has 79 places, 93 transitions, 735 flow. Second operand 7 states and 1326 transitions. [2021-04-28 20:13:23,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 102 transitions, 837 flow [2021-04-28 20:13:26,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 102 transitions, 610 flow, removed 55 selfloop flow, removed 10 redundant places. [2021-04-28 20:13:26,962 INFO L241 Difference]: Finished difference. Result has 79 places, 98 transitions, 580 flow [2021-04-28 20:13:26,962 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=362, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=580, PETRI_PLACES=79, PETRI_TRANSITIONS=98} [2021-04-28 20:13:26,963 INFO L343 CegarLoopForPetriNet]: 135 programPoint places, -56 predicate places. [2021-04-28 20:13:26,963 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:13:26,963 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 98 transitions, 580 flow [2021-04-28 20:13:26,963 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 98 transitions, 580 flow [2021-04-28 20:13:26,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 98 transitions, 580 flow [2021-04-28 20:13:27,382 INFO L129 PetriNetUnfolder]: 1688/6969 cut-off events. [2021-04-28 20:13:27,382 INFO L130 PetriNetUnfolder]: For 3690/3985 co-relation queries the response was YES. [2021-04-28 20:13:27,413 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24934 conditions, 6969 events. 1688/6969 cut-off events. For 3690/3985 co-relation queries the response was YES. Maximal size of possible extension queue 2158. Compared 105126 event pairs, 4 based on Foata normal form. 14/1752 useless extension candidates. Maximal degree in co-relation 24910. Up to 4932 conditions per place. [2021-04-28 20:13:27,461 INFO L146 LiptonReduction]: Number of co-enabled transitions 1746 [2021-04-28 20:13:27,882 INFO L158 LiptonReduction]: Checked pairs total: 298 [2021-04-28 20:13:27,882 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 20:13:27,882 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 919 [2021-04-28 20:13:27,883 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 99 transitions, 588 flow [2021-04-28 20:13:27,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 188.16666666666666) internal successors, (1129), 6 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:13:27,884 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:13:27,884 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:13:27,885 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 20:13:27,885 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:13:27,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:13:27,885 INFO L82 PathProgramCache]: Analyzing trace with hash 158463696, now seen corresponding path program 1 times [2021-04-28 20:13:27,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:13:27,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835134776] [2021-04-28 20:13:27,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:13:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 20:13:27,944 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 20:13:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 20:13:27,986 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 20:13:28,025 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 20:13:28,025 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 20:13:28,025 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 20:13:28,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 08:13:28 BasicIcfg [2021-04-28 20:13:28,123 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 20:13:28,124 INFO L168 Benchmark]: Toolchain (without parser) took 68460.27 ms. Allocated memory was 310.4 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 284.1 MB in the beginning and 794.9 MB in the end (delta: -510.9 MB). Peak memory consumption was 993.2 MB. Max. memory is 16.0 GB. [2021-04-28 20:13:28,125 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 310.4 MB. Free memory was 281.4 MB in the beginning and 281.3 MB in the end (delta: 72.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 20:13:28,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 827.32 ms. Allocated memory is still 310.4 MB. Free memory was 280.9 MB in the beginning and 278.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.0 GB. [2021-04-28 20:13:28,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.46 ms. Allocated memory is still 310.4 MB. Free memory was 278.1 MB in the beginning and 276.0 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 20:13:28,126 INFO L168 Benchmark]: Boogie Preprocessor took 48.74 ms. Allocated memory is still 310.4 MB. Free memory was 276.0 MB in the beginning and 272.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-04-28 20:13:28,126 INFO L168 Benchmark]: RCFGBuilder took 2095.46 ms. Allocated memory is still 310.4 MB. Free memory was 272.8 MB in the beginning and 246.1 MB in the end (delta: 26.8 MB). Peak memory consumption was 165.2 MB. Max. memory is 16.0 GB. [2021-04-28 20:13:28,127 INFO L168 Benchmark]: TraceAbstraction took 65372.17 ms. Allocated memory was 310.4 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 245.0 MB in the beginning and 794.9 MB in the end (delta: -549.9 MB). Peak memory consumption was 952.7 MB. Max. memory is 16.0 GB. [2021-04-28 20:13:28,129 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 310.4 MB. Free memory was 281.4 MB in the beginning and 281.3 MB in the end (delta: 72.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 827.32 ms. Allocated memory is still 310.4 MB. Free memory was 280.9 MB in the beginning and 278.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 64.46 ms. Allocated memory is still 310.4 MB. Free memory was 278.1 MB in the beginning and 276.0 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 48.74 ms. Allocated memory is still 310.4 MB. Free memory was 276.0 MB in the beginning and 272.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2095.46 ms. Allocated memory is still 310.4 MB. Free memory was 272.8 MB in the beginning and 246.1 MB in the end (delta: 26.8 MB). Peak memory consumption was 165.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 65372.17 ms. Allocated memory was 310.4 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 245.0 MB in the beginning and 794.9 MB in the end (delta: -549.9 MB). Peak memory consumption was 952.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33347.1ms, 107 PlacesBefore, 135 PlacesAfterwards, 99 TransitionsBefore, 126 TransitionsAfterwards, 1750 CoEnabledTransitionPairs, 8 FixpointIterations, 158 TrivialSequentialCompositions, 99 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 259 TotalNumberOfCompositions, 16010 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4414, positive: 4152, positive conditional: 4152, positive unconditional: 0, negative: 262, negative conditional: 262, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2162, positive: 2096, positive conditional: 0, positive unconditional: 2096, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2162, positive: 2096, positive conditional: 0, positive unconditional: 2096, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2162, positive: 2085, positive conditional: 0, positive unconditional: 2085, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 77, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 799, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 757, negative conditional: 0, negative unconditional: 757, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4414, positive: 2056, positive conditional: 2056, positive unconditional: 0, negative: 196, negative conditional: 196, negative unconditional: 0, unknown: 2162, unknown conditional: 2162, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2162, Positive cache size: 2096, Positive conditional cache size: 2096, Positive unconditional cache size: 0, Negative cache size: 66, Negative conditional cache size: 66, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 263.8ms, 131 PlacesBefore, 78 PlacesAfterwards, 69 TransitionsBefore, 69 TransitionsAfterwards, 2220 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2714 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 560, positive: 482, positive conditional: 482, positive unconditional: 0, negative: 78, negative conditional: 78, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 256, positive: 234, positive conditional: 1, positive unconditional: 233, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 256, positive: 234, positive conditional: 1, positive unconditional: 233, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 256, positive: 234, positive conditional: 0, positive unconditional: 234, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 22, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 236, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 236, negative conditional: 0, negative unconditional: 236, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 560, positive: 248, positive conditional: 248, positive unconditional: 0, negative: 56, negative conditional: 56, negative unconditional: 0, unknown: 256, unknown conditional: 256, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2418, Positive cache size: 2330, Positive conditional cache size: 2330, Positive unconditional cache size: 0, Negative cache size: 88, Negative conditional cache size: 88, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 120.4ms, 79 PlacesBefore, 56 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 1276 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 670 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 117, positive: 96, positive conditional: 96, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33, positive: 27, positive conditional: 1, positive unconditional: 26, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 33, positive: 27, positive conditional: 1, positive unconditional: 26, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 33, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 78, negative conditional: 4, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 117, positive: 69, positive conditional: 69, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 33, unknown conditional: 33, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2451, Positive cache size: 2357, Positive conditional cache size: 2357, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 31.2ms, 58 PlacesBefore, 58 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 1268 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 668 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 100, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 100, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2451, Positive cache size: 2357, Positive conditional cache size: 2357, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1518.2ms, 63 PlacesBefore, 63 PlacesAfterwards, 77 TransitionsBefore, 77 TransitionsAfterwards, 1704 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1307 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 397, positive: 373, positive conditional: 373, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66, positive: 63, positive conditional: 29, positive unconditional: 34, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 66, positive: 63, positive conditional: 29, positive unconditional: 34, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 66, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 162, negative conditional: 51, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 397, positive: 310, positive conditional: 310, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 66, unknown conditional: 66, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2517, Positive cache size: 2420, Positive conditional cache size: 2420, Positive unconditional cache size: 0, Negative cache size: 97, Negative conditional cache size: 97, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 973.0ms, 72 PlacesBefore, 72 PlacesAfterwards, 105 TransitionsBefore, 105 TransitionsAfterwards, 2170 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2525 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 755, positive: 719, positive conditional: 719, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 88, positive: 88, positive conditional: 60, positive unconditional: 28, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 88, positive: 88, positive conditional: 60, positive unconditional: 28, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 88, positive: 88, positive conditional: 0, positive unconditional: 88, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 755, positive: 631, positive conditional: 631, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 88, unknown conditional: 88, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2605, Positive cache size: 2508, Positive conditional cache size: 2508, Positive unconditional cache size: 0, Negative cache size: 97, Negative conditional cache size: 97, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2821.5ms, 75 PlacesBefore, 75 PlacesAfterwards, 111 TransitionsBefore, 111 TransitionsAfterwards, 2580 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2668 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1256, positive: 1219, positive conditional: 1219, positive unconditional: 0, negative: 37, negative conditional: 37, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 70, positive: 67, positive conditional: 56, positive unconditional: 11, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 70, positive: 67, positive conditional: 56, positive unconditional: 11, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 70, positive: 67, positive conditional: 0, positive unconditional: 67, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 134, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 134, negative conditional: 131, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1256, positive: 1152, positive conditional: 1152, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 70, unknown conditional: 70, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2675, Positive cache size: 2575, Positive conditional cache size: 2575, Positive unconditional cache size: 0, Negative cache size: 100, Negative conditional cache size: 100, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2626.8ms, 79 PlacesBefore, 79 PlacesAfterwards, 111 TransitionsBefore, 111 TransitionsAfterwards, 2580 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2668 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1271, positive: 1234, positive conditional: 1234, positive unconditional: 0, negative: 37, negative conditional: 37, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1271, positive: 1230, positive conditional: 1230, positive unconditional: 0, negative: 37, negative conditional: 37, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2679, Positive cache size: 2579, Positive conditional cache size: 2579, Positive unconditional cache size: 0, Negative cache size: 100, Negative conditional cache size: 100, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5736.1ms, 88 PlacesBefore, 79 PlacesAfterwards, 93 TransitionsBefore, 93 TransitionsAfterwards, 1406 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 3427 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1367, positive: 1311, positive conditional: 1311, positive unconditional: 0, negative: 56, negative conditional: 56, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 148, positive: 142, positive conditional: 129, positive unconditional: 13, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 148, positive: 142, positive conditional: 129, positive unconditional: 13, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 148, positive: 142, positive conditional: 0, positive unconditional: 142, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 1, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 238, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 238, negative conditional: 4, negative unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1367, positive: 1169, positive conditional: 1169, positive unconditional: 0, negative: 50, negative conditional: 50, negative unconditional: 0, unknown: 148, unknown conditional: 148, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2827, Positive cache size: 2721, Positive conditional cache size: 2721, Positive unconditional cache size: 0, Negative cache size: 106, Negative conditional cache size: 106, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 918.7ms, 79 PlacesBefore, 79 PlacesAfterwards, 98 TransitionsBefore, 99 TransitionsAfterwards, 1746 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 298 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 178, positive: 174, positive conditional: 174, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 81, positive: 80, positive conditional: 80, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 81, positive: 80, positive conditional: 80, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 81, positive: 79, positive conditional: 0, positive unconditional: 79, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 55, positive: 44, positive conditional: 44, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 178, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 81, unknown conditional: 81, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2908, Positive cache size: 2801, Positive conditional cache size: 2801, Positive unconditional cache size: 0, Negative cache size: 107, Negative conditional cache size: 107, Negative unconditional cache size: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L718] 0 int __unbuffered_p2_EBX = 0; [L720] 0 int a = 0; [L721] 0 _Bool main$tmp_guard0; [L722] 0 _Bool main$tmp_guard1; [L724] 0 int x = 0; [L725] 0 _Bool x$flush_delayed; [L726] 0 int x$mem_tmp; [L727] 0 _Bool x$r_buff0_thd0; [L728] 0 _Bool x$r_buff0_thd1; [L729] 0 _Bool x$r_buff0_thd2; [L730] 0 _Bool x$r_buff0_thd3; [L731] 0 _Bool x$r_buff1_thd0; [L732] 0 _Bool x$r_buff1_thd1; [L733] 0 _Bool x$r_buff1_thd2; [L734] 0 _Bool x$r_buff1_thd3; [L735] 0 _Bool x$read_delayed; [L736] 0 int *x$read_delayed_var; [L737] 0 int x$w_buff0; [L738] 0 _Bool x$w_buff0_used; [L739] 0 int x$w_buff1; [L740] 0 _Bool x$w_buff1_used; [L742] 0 int y = 0; [L744] 0 int z = 0; [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L841] 0 pthread_t t928; [L842] FCALL, FORK 0 pthread_create(&t928, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L843] 0 pthread_t t929; [L844] FCALL, FORK 0 pthread_create(&t929, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L778] 2 x$w_buff1 = x$w_buff0 [L779] 2 x$w_buff0 = 1 [L780] 2 x$w_buff1_used = x$w_buff0_used [L781] 2 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L783] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L784] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L785] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L786] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L787] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L790] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L845] 0 pthread_t t930; [L846] FCALL, FORK 0 pthread_create(&t930, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L807] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L810] 3 z = 1 [L813] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L816] 3 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L750] 1 a = 1 [L753] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L754] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L755] 1 x$flush_delayed = weak$$choice2 [L756] 1 x$mem_tmp = x [L757] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L757] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L758] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L758] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L759] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L759] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L760] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L760] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L761] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L761] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L762] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L762] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L763] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L763] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L764] 1 __unbuffered_p0_EAX = x [L765] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L765] 1 x = x$flush_delayed ? x$mem_tmp : x [L766] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L771] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L773] 1 return 0; [L793] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L793] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L794] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L794] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L795] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L795] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L796] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L796] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L797] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L797] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L800] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L802] 2 return 0; [L819] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L819] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L819] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L819] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L820] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L820] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L821] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L821] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L822] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L822] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L823] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L823] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L826] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L828] 3 return 0; [L848] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L4] COND FALSE 0 !(!cond) [L852] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L852] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L852] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L852] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L853] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L853] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L854] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L854] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L855] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L855] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L856] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L856] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L859] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 101 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 14.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 65121.3ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 15078.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 33458.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 84 SDtfs, 88 SDslu, 22 SDs, 0 SdLazy, 401 SolverSat, 154 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 528.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 220.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=735occurred in iteration=8, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 46.6ms SsaConstructionTime, 444.8ms SatisfiabilityAnalysisTime, 699.7ms InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 590 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...